test.cpp

#include <iostream>
#include <experimental/simd>

template <size_t Jump, size_t... Is>
constexpr auto make_jump_sequence(std::index_sequence<Is...>) {
    return std::index_sequence<(Is * Jump)...>{};
}

template <size_t... Is>
void print(std::index_sequence<Is...>) {
    ((std::cout << Is), ...);
}

void test(std::experimental::native_simd<double>* norm) {
    norm[0] += 3;
    norm[1] += norm[0];
}


int main() {
    constexpr int K = 2;
    std::experimental::native_simd<double> norm[K] = {};
    std::experimental::native_simd<double> in_pro[K] = {};
    test(norm);
    //print(make_jump_sequence<2>(std::make_index_sequence<3>{}));
    std::cout << std::experimental::reduce(norm[1]);

}